The US Navy's only submarine museum is also home to the world's first nuclear submarine.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Ancient mysterious ruts carved in the bedrock.

The drama of nature in full effect in this Nevada State Park.

Traditional 15th century Chinese garden in the middle of Vancouver.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

The bears of Bern have been a city highlight for over 500 years.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Huge masonic hall in Philadelphia with lavishly themed rooms.